LED lamp
ual acuity and large Yin Ying, a long time In this light, the eyes will feel tired.However, the State Quality Supervision and Inspection Center and the lighting optic Fudan University Institute of test results is that the production of the Eye with high frequency ballasts, the strobe fluctuations in depth from 7.27 to 24.03% of the range, and no significant differences compared to incandescent, but strictly no flash strobe is the depth of less than 5% fluctuation, which means that no frequency d
4/9 صفحة الآتي صفحة السابقة الصفحة الرئيسية صفحة النهاية
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WAP الرئيسية
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08/30 17:14